{"id":{"repo_id":"nus","oai_identifier":"oai:scholarbank.nus.edu.sg:10635/13073"},"canonical_url":"https://search.dev.ndltd.org/etd/nus/oai:scholarbank.nus.edu.sg:10635/13073","repository":{"repo_id":"nus","name":"National University of Singapore","base_url":"https://scholarbank.nus.edu.sg/oai/request"},"display":{"title":"Quantization of spin waves in ferromagnetic Ni80Fe20 nanoring","abstract":"Regular arrays of oval-shaped permalloy nanorings have been fabricated using deep ultraviolet lithography and their spin dynamicsmeasured by Brillouin light scattering with the magnetic field applied along long (easy) axes of the rings. The dispersionless behavior of the spin wave modes observed reveals their standing wave nature. Two-dimensional simulations and analytical calculations have been performed for a single isolated nanoring. Results reveal that the observed modes can be interpreted in terms of quantized Damon-Eshbach modes due to lateral confinement in the finite size rings.","abstract_html":"Regular arrays of oval-shaped permalloy nanorings have been fabricated using deep ultraviolet lithography and their spin dynamicsmeasured by Brillouin light scattering with the magnetic field applied along long (easy) axes of the rings. The dispersionless behavior of the spin wave modes observed reveals their standing wave nature. Two-dimensional simulations and analytical calculations have been performed for a single isolated nanoring. Results reveal that the observed modes can be interpreted in terms of quantized Damon-Eshbach modes due to lateral confinement in the finite size rings.","abstract_has_math":false,"creators":["TAN CHIN GUAN"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2008,"date_issued":"2008-02-06","date_published":"2008-02-06","updated_at":"2026-07-24T03:31:51Z","subjects":["spin wave; quantization; oval-shaped; brillouin light scattering"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":null,"outbound_label":null,"outbound_source":null},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["TAN CHIN GUAN"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["2008-02-06"]},{"key":"dc:relation.isreferencedby","label":"Dc Relation Isreferencedby","values":["https://scholarbank.nus.edu.sg/handle/10635/13073"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["spin wave; quantization; oval-shaped; brillouin light scattering"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://scholarbank.nus.edu.sg/bitstreams/4b38333d-8801-47be-9c81-239b9f25167c/download"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Regular arrays of oval-shaped permalloy nanorings have been fabricated using deep ultraviolet lithography and their spin dynamicsmeasured by Brillouin light scattering with the magnetic field applied along long (easy) axes of the rings. The dispersionless behavior of the spin wave modes observed reveals their standing wave nature. Two-dimensional simulations and analytical calculations have been performed for a single isolated nanoring. Results reveal that the observed modes can be interpreted in terms of quantized Damon-Eshbach modes due to lateral confinement in the finite size rings."]},{"key":"dc:format.checksum.md5","label":"Dc Format Checksum Md5","values":["a9dc9eaa3666ea42cd769588442bcaa9","a0347963f4765405e6ba88ab5a1836c6"]},{"key":"dc:title","label":"Title","values":["Quantization of spin waves in ferromagnetic Ni80Fe20 nanoring"]}]}],"canonical_facts":{"dc:creator":["TAN CHIN GUAN"],"dc:date.issued":["2008-02-06"],"dc:description.abstract":["Regular arrays of oval-shaped permalloy nanorings have been fabricated using deep ultraviolet lithography and their spin dynamicsmeasured by Brillouin light scattering with the magnetic field applied along long (easy) axes of the rings. The dispersionless behavior of the spin wave modes observed reveals their standing wave nature. Two-dimensional simulations and analytical calculations have been performed for a single isolated nanoring. Results reveal that the observed modes can be interpreted in terms of quantized Damon-Eshbach modes due to lateral confinement in the finite size rings."],"dc:format.checksum.md5":["a9dc9eaa3666ea42cd769588442bcaa9","a0347963f4765405e6ba88ab5a1836c6"],"dc:identifier.uri":["https://scholarbank.nus.edu.sg/bitstreams/4b38333d-8801-47be-9c81-239b9f25167c/download"],"dc:relation.isreferencedby":["https://scholarbank.nus.edu.sg/handle/10635/13073"],"dc:subject":["spin wave; quantization; oval-shaped; brillouin light scattering"],"dc:title":["Quantization of spin waves in ferromagnetic Ni80Fe20 nanoring"],"dc:type":["Thesis"]},"updated_at":"2026-07-24T03:31:51Z"}